Details
Cummins KTA38-M2 Marine Propulsion Engine (1050HP)
Choosing a heavy-duty commercial marine powertrain requires evaluating more than just basic horsepower figures. The Cummins KTA38-M2 marine engine is a specialized engineering solution built by the Chongqing Cummins Engine Company (CCEC). Operating as a Cummins 38L marine diesel engine, this V12 configuration delivers a true 1050 HP (783 kW) at a rated speed of 1600 RPM.
As an established industrial engine supplier, HekoPower provides this heavy-duty workhorse fully configured for marine applications. We help shipyards, fleet operators, and vessel owners navigate technical integration, logistics tracking, and class certifications.
Tech Specs of Cummins KTA38-M2(1050 HP)
General Engine Data
Engine Model: Cummins KTA38-M2 (1050 HP)
Type: 12 Cylinders, V Type, 4 strokes
Displacement: 38 L
Bore * Stroke: 159 * 159
Net Weight (with flywheel & alternator): 4358 Kg
Overall Dimension: 2152mm*1462mm*2083mm
Key Performance Data
Rated Power: 783 kW/1050HP
Rated Speed: 1600 rpm
Low Idle Speed: 575-650 rpm
High Idle Speed: 1815-2016 rpm
Rating Type: Continuous Running
Fuel Consumption (Running Speed): 201.5 L/hr
More Technical Data
Certification: CCS/IMO Certificates
Governor Type: Mechanical Control
Aspiration: Turbocharged/Aftercooled
Compression Radio: 13.9:1
Fuel System: Cummins Pressure Time (PT Pump)
Starting System: Electrical Start (24V)
Lowest Starting Temp Without auxiliary system: -12℃
Cooling Method: Sea water pump, Heat exchanger, Water cooled
Mechanical PT Fuel System Advantages
While modern electronic common-rail engines offer precise emission control, the Cummins KTA38-M2 PT fuel system relies on high-pressure mechanical injection. The Pressure-Time (PT) system uses a low-pressure fuel pump and mechanically driven unit injectors.
This architecture provides distinct operational advantages for deep-sea vessels:
- High Fuel Tolerance: It tolerates variations in marine diesel quality far better than electronic common-rail injectors.
- Electrical Independence: The engine can operate with minimal electrical infrastructure, reducing the risk of total power failure due to salt-water corrosion on sensors.
- Field Repairability: Marine engineers can troubleshoot, adjust, and repair the mechanical linkages using standard tools while out at sea.
Technical Comparison: KTA38-M2 vs. KTA38-M1
Shipyards often ask about the difference between the M1 and M2 configurations within the same 38-liter footprint. The differences lie in the internal thermal mapping and governor calibrations.
The KTA38-M1 delivers 900 HP, whereas the KTA38-M2 steps up the output to 1050 HP at the identical 1800 RPM ceiling. This 150 HP increase is achieved through a more aggressive turbocharger trim profile and larger capacity aftercooler cores.
The M1 configuration is a strict continuous-duty block intended for deep-draft vessels pushing heavy displacement hulls around the clock. The M2 version utilizes a medium-continuous profile. This profile allows full-throttle operation for up to six consecutive hours out of every twelve, making it ideal for vessels that need to run fast to a job site and then throttle back during operations.
Commercial Vessel Application Scenarios
The 1050HP marine diesel engine for commercial fishing vessels represents the most common deployment profile for this platform. However, its high torque capacity makes it highly adaptable across several distinct hull configurations.
Deep-Sea Fishing Trawlers and Seiners
For commercial fishing operations, the engine must handle the high load demands of hydraulic deck winches while simultaneously maintaining a steady trawling speed against strong ocean currents. The KTA38-M2 provides a peak torque of 4484 N·m at 1500 RPM, giving skipper crews the low-end muscle needed to pull loaded nets without bogging down the main propulsion line.
Inland River Tugboats and Pushers
Inland commercial transit requires pushing heavy multi-barge strings through narrow river channels. A Cummins KTA38-M2 tugboat engine provides the throttle responsiveness needed to control heavy tonnage in changing river currents, where reliable maneuverability is a direct safety factor.
Port Patrol and Passenger Ferries
For high-utilization commercial applications, a Cummins KTA38-M2 passenger ferry engine or Cummins KTA38-M2 patrol boat engine offers predictable duty cycles. These vessels benefit from the compact footprint of the V12 engine block, allowing naval architects to maximize passenger cabin space or deck cargo area above the engine room.
Marine Engineering Integration: Gearboxes and Propulsion
Installing a genuine Cummins KTA38-M2 requires careful drivetrain alignment to prevent torsional vibration from damaging the crankshaft or marine transmission.
Gearbox Matching Matrix
The 1050 HP output must be paired with an appropriately rated marine gearbox that matches the input shaft RPM. HekoPower routinely pairs this engine with standard industry transmissions:
- Advance Transmission: Models like the HC1200 or HC1380 work well for standard commercial applications.
- Twin Disc: The MG5321DC is ideal for high-duty cycles requiring smooth hydraulic shifting.
- ZF Marine: The ZF 3350 series provides heavy-duty housings for commercial displacement vessels.
Propeller Dynamics and Sizing
A correct Cummins KTA38-M2 propeller recommendation depends heavily on your transmission reduction ratio. For a standard 4:1 reduction ratio on a commercial fishing trawler, a 4-blade or 5-blade manganese bronze propeller with a diameter ranging between 65 to 72 inches is typically recommended to efficiently convert the 1050 HP into forward thrust without causing cavitation.
Maintenance Architecture and Lifespan Guidelines
To protect your investment and maintain your vessel's schedule, you must follow the strict factory Cummins KTA38-M2 maintenance schedule. Commercial marine operation subjects the engine block to continuous thermal stress and potential salt-water scale accumulation.
Routine Service Intervals
- Every 250 Hours: Replace engine oil, renew the primary fuel filter elements, and inspect the zinc anodes inside the raw water heat exchanger.
- Every 1500 Hours: Perform a valve lash adjustment and inspect the PT fuel injector spray patterns.
- Every 3000 Hours: Service the turbocharger bearings and clean the core tubes inside the jacket water aftercooler.
Overhaul and Lifespan Expectations
A primary indicator of engine quality is the Cummins KTA38-M2 overhaul interval. When operated within normal thermal limits and serviced with genuine parts, this engine typically logs between 18,000 to 22,000 operating hours before requiring a major out-of-frame overhaul.
Global Supply Logistics and Certification Compliance
Navigating international maritime regulations requires clear compliance and verification paperwork. HekoPower ensures that your propulsion assets match your local port authority mandates.
Marine Class Certification
For commercial vessels subject to strict class society rules, we can provide the Cummins KTA38-M2 CCS certificate (China Classification Society). This official documentation certifies that the engine block, safety shutdown systems, and manufacturing quality controls meet international safety standards.
Supply and Lead Time Realities
When planning a Cummins KTA38-M2 marine propulsion replacement or a new hull build, scheduling is critical. The typical Cummins KTA38-M2 lead time ranges from 30 to 45 days from the initial order allocation to factory testing and final export crating.
Every engine shipped by HekoPower undergoes a comprehensive dynamometer load-test cycle at the factory to verify that it delivers its full rated horsepower before it is secured for international transit.
Cummins K38-M Series (K38 Marine Engine), marine propulsion engines for commercial and recreational applications, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes KT38-M600, KT38-M780, KT38-M800, KT38-M850, KT38-M900, KTA38-M1 (1000 HP), KTA38-M1 (1100 HP), KTA38-M2 (545 HP), KTA38-M2 (1050 HP), KTA38-M2 (1200 HP), KTA38-M2 (1300 HP), KTA38-M2 (1350 HP). All engines complete with sea water pump, heat exchanger, CCS/IMO certificates.
Frequently Asked Questions Regarding the KTA38-M2
Is the Cummins KTA38-M2 suitable for continuous marine operation?
Yes. The engine is rated for continuous and medium-continuous commercial marine duties. It is designed to run at full throttle for up to 6 hours out of every 12-hour operating cycle, with the remaining hours spent at or below cruising RPM.
What are the precise shipping dimensions and weights?
The standard Cummins KTA38-M2 dimensions are approximately 2500 mm in length, 1350 mm in width, and 1750 mm in height. The official Cummins KTA38-M2 dry weight is 4218 kg (9300 lbs). This weight will increase once a marine transmission and heat exchanger cooling fluids are added to the system.
How does HekoPower guarantee that spare parts are genuine?
We source all components directly through authorized CCEC distribution networks. Every Cummins KTA38-M2 genuine spare parts shipment includes factory-traceable serial numbers and anti-counterfeit holographic labels, protecting your engine from the premature failures associated with aftermarket components.
